#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5 + 5;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    freopen("data.in", "r", stdin);
    freopen("data.out", "w", stdout);

    return 0;
}